PROCEED AMP 5 Specifications download pdf (Page 20)

Single-Ended Bridging Kit

Female RCA Input

Skirt: signal ground

Center: signal + (non-inverting)

Male XLR Output (normal)

Pin 1: signal ground

Pin 2: signal + (non-inverting)

Pin 3: signal ground

Male XLR Output (inverted)

Pin 1: signal ground

Pin 2: signal ground

Pin 3: signal + (non-inverting)

Single-Ended Bridging

Input Adapter

(pin configuration)

Bridging Output Adapter

(not drawn to scale)

The “normal” leg of the Madrigal Single-Ended Bridging Input Adapter will be

marked with a red stripe to indicate positive polarity, and the inverted leg will be

marked with a black stripe to indicate inverted polarity (corresponding to the

red and black terminals of your loudspeaker).

The Balanced Bridging Output Adapter is simply a heavy-gauge copper bar

(silver- and gold-plated) used to strap two of the output ground terminals to-

gether. This establishs a common reference for the amplifier and completes

the circuit that includes the loudspeakers.

Important! Do not attempt to operate your amplifier in a bridged mode

without first strapping the black output terminals together.

Failure to establish a common ground reference between

the two channels can damage your amplifier by forcing

significant currents to flow where they do not belong!

To bridge your Proceed amplifier using a single-ended (RCA) input signal, fol-

low these steps:

1 DISCONNECT YOUR AMPLIFIER FROM EVERYTHING

Start with your amplifier totally disconnected from inputs, outputs, and AC

power. It is always best to power down an amplifier before changing con-

nections; here you are changing its basic configuration, making it essential.

2 CONNECT THE SINGLE-ENDED BRIDGING INPUT ADAPTER TO THE

AMP’S INPUTS

Connect the two male XLRs to the inputs of your amplifier, noting which

XLR is marked red and which is black. You may want to standardize on

“Red is Right” to avoid confusion, although it makes no difference to the

amplifier. The channel with the red, normal input will later be connected to

the red, positive terminal of your loudspeaker.

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PROCEED AMP 5 Specifications Page 20

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